(Indianapolis, IN) - The missing person in Lake Michigan has been identified as 22-year-old Bryce Dunfee of Indianapolis.

The victim's name was released this morning by the Indiana Department of Natural Resources. According to DNR officials, Dunfee was last seen wearing a gray shirt with black sleeves, khaki pants and black shoes.

Dunfee and four friends walked onto the shelf ice at West Beach in Portage late Monday afternoon when he fell through the ice and into the frigid water. The search for Dunfee is ongoing.

Conservation officers are warning people not to step on shelf ice because it's not solid ice. Shelf ice is formed from water splashing in from high waves and contains air pockets that make the ice very weak in spots.